diff --git a/firmware/controllers/algo/engine.h b/firmware/controllers/algo/engine.h
index 68508d1485..ccfbccd21a 100644
--- a/firmware/controllers/algo/engine.h
+++ b/firmware/controllers/algo/engine.h
@@ -506,7 +506,7 @@ void prepareShapes(DECLARE_ENGINE_PARAMETER_SIGNATURE);
 void resetConfigurationExt(Logging * logger, engine_type_e engineType DECLARE_ENGINE_PARAMETER_SUFFIX);
 void applyNonPersistentConfiguration(Logging * logger DECLARE_ENGINE_PARAMETER_SUFFIX);
 void prepareOutputSignals(DECLARE_ENGINE_PARAMETER_SIGNATURE);
-void assertEngineReference(DECLARE_ENGINE_PARAMETER_SIGNATURE);
+
 void validateConfiguration(DECLARE_ENGINE_PARAMETER_SIGNATURE);
 
 #endif /* H_ENGINE_H_ */
diff --git a/firmware/controllers/algo/engine_configuration.cpp b/firmware/controllers/algo/engine_configuration.cpp
index 0145c29a95..7c704c714b 100644
--- a/firmware/controllers/algo/engine_configuration.cpp
+++ b/firmware/controllers/algo/engine_configuration.cpp
@@ -1282,7 +1282,7 @@ void applyNonPersistentConfiguration(Logging * logger DECLARE_ENGINE_PARAMETER_S
 	scheduleMsg(logger, "applyNonPersistentConfiguration()");
 #endif
 
-	assertEngineReference(PASS_ENGINE_PARAMETER_SIGNATURE);
+	assertEngineReference();
 
 #if EFI_ENGINE_CONTROL || defined(__DOXYGEN__)
 	engine->triggerCentral.triggerShape.initializeTriggerShape(logger PASS_ENGINE_PARAMETER_SUFFIX);
diff --git a/firmware/controllers/math/engine_math.cpp b/firmware/controllers/math/engine_math.cpp
index 8cd205792e..08642b3799 100644
--- a/firmware/controllers/math/engine_math.cpp
+++ b/firmware/controllers/math/engine_math.cpp
@@ -555,8 +555,3 @@ void setAlgorithm(engine_load_mode_e algo DECLARE_ENGINE_PARAMETER_SUFFIX) {
 void setFlatInjectorLag(float value DECLARE_ENGINE_PARAMETER_SUFFIX) {
 	setArrayValues(engineConfiguration->injector.battLagCorr, VBAT_INJECTOR_CURVE_SIZE, value);
 }
-
-// todo: make this a macro
-void assertEngineReference(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
-	efiAssertVoid(engine != NULL, "engine is NULL");
-}
diff --git a/firmware/controllers/math/engine_math.h b/firmware/controllers/math/engine_math.h
index 55aa8c6b94..e323ba4074 100644
--- a/firmware/controllers/math/engine_math.h
+++ b/firmware/controllers/math/engine_math.h
@@ -16,6 +16,8 @@
 
 void setAlgorithm(engine_load_mode_e algo DECLARE_ENGINE_PARAMETER_SUFFIX);
 
+#define assertEngineReference() efiAssertVoid(engine != NULL, "engine is NULL")
+
 
 #if EFI_ENABLE_ASSERTS
 #define assertAngleRange(angle, msg) if(angle > 10000000 || angle < -10000000) { firmwareError(ERROR_ANGLE_RANGE, "angle range %s %.2f", msg, angle);angle = 0;}
diff --git a/firmware/rusefi.cpp b/firmware/rusefi.cpp
index 8f36198c5d..acdd2e3820 100644
--- a/firmware/rusefi.cpp
+++ b/firmware/rusefi.cpp
@@ -156,7 +156,7 @@ static void scheduleReboot(void) {
 
 void runRusEfi(void) {
 	efiAssertVoid(getRemainingStack(chThdGetSelfX()) > 512, "init s");
-	assertEngineReference(PASS_ENGINE_PARAMETER_SIGNATURE);
+	assertEngineReference();
 	initIntermediateLoggingBuffer();
 	initErrorHandling();